屋頂鐵皮瓦$25/片(3x9.5sqft) 3B1B鋼架房$50K/套(960sqft) 2B1B鋼架房$40K/套(480sqft) 1B鋼架房$5000/套(160sqft) 鐵絲圍欄 6尺高50尺長$100/卷